Cover: Curt Swan & Stan Kaye

Action Comics #273

Feb 1961 · DC · 0.10 USD

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“The World of Mr. Mxyzptlk!”

In "The World of Mr. Mxyzptlk!", Superman faces a peculiar challenge when the mischievous imp Mr. Mxyzptlk takes center stage in a surreal, reality-bending adventure. Written by Otto Binder and illustrated by Jim Mooney, this 1961 classic features Curt Swan’s iconic cover and a playful, mind-bending twist that tests Superman’s resolve—while Supegirl’s earnest but flawed attempt to prove herself leads to a surprising detour in her training.

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writer Otto Binder · artist, inker Jim Mooney · letterer Milt Snapinn · cover Curt Swan, Stan Kaye

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VERY GOOD $6.49 FR $17 GD $18 GD $19 GD $22 NM $25.47 GOOD $31 VG $34.99

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Full credits

writer Otto Binder

artist, inker Jim Mooney

letterer Milt Snapinn

cover pencils Curt Swan

cover inks Stan Kaye

Full plot ⚠ may contain spoilers

▸ Reveal full plot — may contain spoilers

Marvel Man proves himself trained and is revealed by Marvel Maid, but Supegirl makes one large mistake in her attempt to prove herself to Superman and must continue her training.

Plot details indexed by the Grand Comics Database (CC BY-SA).